200240431 has 4 divisors (see below), whose sum is σ = 202775200. Its totient is φ = 197705664.

The previous prime is 200240429. The next prime is 200240437. The reversal of 200240431 is 134042002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200240431 - 2¹ = 200240429 is a prime.

It is a super-2 number, since 2×200240431² = 80192460414131522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200240437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267266 + ... + 1267423.

It is an arithmetic number, because the mean of its divisors is an integer number (50693800).

Almost surely, 2^200240431 is an apocalyptic number.

200240431 is a deficient number, since it is larger than the sum of its proper divisors (2534769).

200240431 is an equidigital number, since it uses as much as digits as its factorization.

200240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534768.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 200240431 is about 14150.6335900553. The cubic root of 200240431 is about 585.0377953032.

Adding to 200240431 its reverse (134042002), we get a palindrome (334282433).

The spelling of 200240431 in words is "two hundred million, two hundred forty thousand, four hundred thirty-one".